<template>
    <div class="app-container">
  
      <!-- 工具条 -->
      <div class="tools-div">
        <el-button type="success" icon="el-icon-plus" size="mini"  :disabled="$hasBP('bnt.sysDept.add')  === false" @click="add()">添 加</el-button>
      </div>
      <el-table
        :data="sysDeptList"
        style="width: 100%;margin-bottom: 20px;margin-top: 10px;"
        row-key="id"
        border
        :default-expand-all="false"
        :tree-props="{children: 'children'}">
  
        <el-table-column prop="name" label="学院/学科/班级名称" width="320"/>
        <el-table-column prop="leader" label="负责老师" width="80">
        </el-table-column>
        <el-table-column prop="phone" label="电话" width="160"/>
        <el-table-column prop="createTime" label="创建时间"/>
        <el-table-column prop="updateTime" label="更新时间"/>
        <el-table-column prop="sortValue" label="排序" width="60"/>
        <el-table-column label="状态" width="80">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.status === 1"
              @change="switchStatus(scope.row)"
              :disabled="$hasBP('bnt.sysDept.status')  === false">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180" align="center" fixed="right">
          <template slot-scope="scope">
            <el-button type="success" v-if="scope.row.type !== 2" icon="el-icon-plus" size="mini" :disabled="$hasBP('bnt.sysDept.add')  === false" @click="add(scope.row)" title="添加下级节点"/>
            <el-button type="primary" icon="el-icon-edit" size="mini" :disabled="$hasBP('bnt.sysDept.update')  === false" @click="edit(scope.row)" title="修改"/>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)" title="删除" :disabled="(scope.row.children.length > 0)||($hasBP('bnt.sysDept.remove')  === false)" />
          </template>
        </el-table-column>
      </el-table>
  
      <el-dialog :title="dialogTitle" :visible.sync="dialogVisible" width="40%" >
        <el-form ref="dataForm" :model="sysDept" label-width="150px" size="small" style="padding-right: 40px;">
          <el-form-item label="上级学院/学科" v-if="sysDept.id === ''">
            <el-input v-model="sysDept.parentName" disabled="true"/>
          </el-form-item>
          <el-form-item label="类型" prop="type">
            <el-radio-group v-model="sysDept.type" :disabled="typeDisabled">
              <el-radio :label="0" :disabled="type0Disabled">学院</el-radio>
              <el-radio :label="1" :disabled="type1Disabled">学科</el-radio>
              <el-radio :label="2" :disabled="type2Disabled">班级</el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="学院/学科/班级名称" prop="name">
            <el-input v-model="sysDept.name"/>
          </el-form-item>
          <el-form-item label="负责老师" prop="leader">
            <el-input v-model="sysDept.leader"/>
          </el-form-item>
          <el-form-item label="电话号" prop="phone">
            <el-input v-model="sysDept.phone"/>
          </el-form-item>
          <el-form-item label="排序">
            <el-input-number v-model="sysDept.sortValue" controls-position="right" :min="0" />
          </el-form-item>
          <el-form-item label="状态" prop="type">
            <el-radio-group v-model="sysDept.status">
              <el-radio :label="1">正常</el-radio>
              <el-radio :label="0">停用</el-radio>
            </el-radio-group>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
          <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
        </span>
      </el-dialog>
    </div>
  </template>
  
  
  <script>
  import api from '@/api/system/dept'
  const defaultForm = {
    id: '',
    parentId: '',
    name: '',
    type: 0,
    path: '',
    component: '',
    perms: '',
    sortValue: 1,
    status: 1
  }
  export default {
    // 定义数据
    data() {
      return {
        sysDeptList: [],
        expandKeys: [], // 需要自动展开的项
  
        typeDisabled: false,
        type0Disabled: false,
        type1Disabled: false,
        type2Disabled: false,
        dialogTitle: '',
  
        dialogVisible: false,
        sysDept: defaultForm,
        saveBtnDisabled: false,
        
    
      }
    },
  
    //当页面加载时获取数据
    created() {
      this.fetchData()
    },
  
    methods: {
      //调用api层获取数据库中的数据
      fetchData() {
        console.log('加载列表')
        api.findNodes().then(response => {
          this.sysDeptList = response.data
          console.log(this.sysDeptList)
        })
      },
      //更换状态
      switchStatus(row){
        row.status = row.status === 1?0:1
        api.ChangeUserStatus(row.id,row.status).then(resp => {
          this.$message.success('操作成功')
          this.fetchData(this.page)
        })
      },
      //根据id删除数据
      removeDataById(id) {
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => { // promise
          // 点击确定，远程调用ajax
          return api.removeById(id)
        }).then((response) => {
          this.fetchData()
          this.$message({
            type: 'success',
            message: response.message
          })
        }).catch(() => {
           this.$message.info('取消删除')
        })
      },
  
      //弹出添加或更新的表单
      add(row){
        this.typeDisabled = false
        this.dialogTitle = '添加下级节点'
        this.dialogVisible = true
  
        this.sysDept = Object.assign({}, defaultForm)
        this.sysDept.id = ''
        if(row) {
          this.sysDept.parentId = row.id
          this.sysDept.parentName = row.name
          //this.sysDept.component = 'ParentView'
          if(row.type === 0) {
            this.sysDept.type = 1
            this.typeDisabled = false
            this.type0Disabled = false
            this.type1Disabled = false
            this.type2Disabled = true
          } else if(row.type === 1) {
            this.sysDept.type = 2
            this.typeDisabled = true
          }
        } else {
          this.dialogTitle = '添加目录节点'
          this.sysDept.type = 0
          this.sysDept.component = 'Layout'
          this.sysDept.parentId = 0
          this.typeDisabled = true
        }
      },
  
      //编辑
      edit(row) {
        this.dialogTitle = '修改菜单'
        this.dialogVisible = true
  
        this.sysDept = Object.assign({}, row)
        this.typeDisabled = true
      },
      
      //添加或更新
      saveOrUpdate() {
        if(this.sysDept.type === 0 && this.sysDept.parentId !== 0) {
          this.sysDept.component = 'ParentView'
        }
        this.$refs.dataForm.validate(valid => {
          if (valid) {
            this.saveBtnDisabled = true // 防止表单重复提交
            if (!this.sysDept.id) {
              this.save()
            } else {
              this.update()
            }
          }
        })
      },
  
      //添加
      save() {
        api.save(this.sysDept).then(response => {
          this.$message.success(response.message || '操作成功')
          this.dialogVisible = false
          this.fetchData(this.page)
        })
      },
  
      //更新
      update() {
        api.updateById(this.sysDept).then(response => {
          this.$message.success(response.message || '操作成功')
          this.dialogVisible = false
          this.fetchData()
        })
      }
    }
  }
  </script>